Baby diarrhea is a condition in which the stools become thin, or mucus, pus or blood is present. Baby diarrhea is a common symptom, i.e. diarrhea, refers to the number of bowel movements significantly more often than usual, thin stools, increased moisture, the amount of stools per day significantly more than in the past, or contain undigested food or mucus, pus and blood. Diarrhea is often accompanied by a sense of urgency to defecate, anal opening discomfort, incontinence and other symptoms. Babies often show crying, irritability, abdominal distension, and increased flatulence. Diarrhea is further divided into infectious diarrhea and non-infectious diarrhea. The former mainly includes viral, bacterial, fungal, parasitic diarrhea; the latter includes allergies, inflammatory bowel disease, food intolerance and other diarrhea. Baby diarrhea is recommended to consult a doctor in time, improve the examination and active treatment.